Jani Nikula [Fri, 5 Apr 2019 11:00:25 +0000 (14:00 +0300)]
drm/i915: extract intel_cdclk.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c128d7be3f621391e571e86b03f302f3ffd0ed2b.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:24 +0000 (14:00 +0300)]
drm/i915: extract intel_sprite.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/679c857a1933ee3d0706f978ab05ca880cd30a00.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:23 +0000 (14:00 +0300)]
drm/i915: extract intel_dvo.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1ccf9000ad33b895aea06be41053a5b7bac8459e.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:22 +0000 (14:00 +0300)]
drm/i915: extract intel_lvds.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/5d54d02cf7b7bfe3f78ed60d28534c5726371af3.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:21 +0000 (14:00 +0300)]
drm/i915: extract intel_tv.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f44c21e3d154e47233ebef4267ce1a924fa38df7.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:20 +0000 (14:00 +0300)]
drm/i915: extract intel_pipe_crc.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b106b21ef11ff7fc34537b2c029a1332c8573fcc.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:19 +0000 (14:00 +0300)]
drm/i915: extract intel_atomic_plane.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
v2: revert intel_plane_destroy_state() movement within intel_atomic_plane.c
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/fd56c1cbba22b9f195ad944d79f7977423b2b533.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:18 +0000 (14:00 +0300)]
drm/i915: extract intel_hdmi.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/357856c31e309f0af8eed0d800623a5253ff3a37.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:17 +0000 (14:00 +0300)]
drm/i915: extract intel_dp.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f86f9beed730eaad0bdcc18b18817b3d221e16e2.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:16 +0000 (14:00 +0300)]
drm/i915: extract intel_fbdev.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/82d11bf634094f44a7469a096de3d3768314d6bc.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:15 +0000 (14:00 +0300)]
drm/i915: extract intel_pm.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
v2: gen6_rps_reset_ei() is in i915_irq.c not intel_pm.c.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/adc6463b95eef3440fba9826793f7d1c5f3b0b4a.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:14 +0000 (14:00 +0300)]
drm/i915: extract intel_panel.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c9f02ae09123866bc55269175ab75e844ffbd6ac.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:13 +0000 (14:00 +0300)]
drm/i915: extract intel_hdcp.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/8348620b32cb4438ccfb5f7bbe9a18ff6b7c48a0.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:12 +0000 (14:00 +0300)]
drm/i915: extract intel_sdvo.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c507e15fef019541da5bb33f2fbe920a5ad2f3dc.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:11 +0000 (14:00 +0300)]
drm/i915: extract intel_lspcon.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b01cae3b5307d31c34de2321d6d2913f1cc39a12.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:10 +0000 (14:00 +0300)]
drm/i915: extract intel_color.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/fe5928586b4ca538cc4bc99212c5b699e891c75e.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:09 +0000 (14:00 +0300)]
drm/i915: extract intel_psr.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
v2: Fix checkpatch whitespace complaint
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7e776690bf139ccdd0306b30df08dc68e74603de.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:08 +0000 (14:00 +0300)]
drm/i915: extract intel_fbc.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
v2: Remove stray newline (Chris)
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/db44ba199c86f24bfa9e490531eddf51cccd89da.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:07 +0000 (14:00 +0300)]
drm/i915: extract intel_csr.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
v2: Add function argument names to fix checkpatch warning
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/44ceebca0206de9c40dc6794b660d84b8994f700.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:06 +0000 (14:00 +0300)]
drm/i915: extract intel_connector.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/4b8e9d1fa8f0f0420ecc65063bdb7d068c13086e.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:05 +0000 (14:00 +0300)]
drm/i915: extract intel_ddi.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/61d159117475a48a5db7bd7d652c198d4fa08d7b.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:04 +0000 (14:00 +0300)]
drm/i915: extract intel_crt.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/19c39bfcfb82f50c77382e8dea4fe1ad6cd043ed.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:03 +0000 (14:00 +0300)]
drm/i915: extract intel_audio.h from intel_drv.h
It used to be handy that we only had a couple of headers, but over time
intel_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.
Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.
No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/e0284c4d62effa5bad72ce034206c26e3aa02884.1554461791.git.jani.nikula@intel.com
Jani Nikula [Fri, 5 Apr 2019 11:00:02 +0000 (14:00 +0300)]
drm/i915: make intel_frontbuffer.h self-contained
This will be helpful in the follow-up work. No functional changes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/9a19d43987006e4249b335f3d843da43c998376c.1554461791.git.jani.nikula@intel.com
Ville Syrjälä [Fri, 5 Apr 2019 14:13:49 +0000 (17:13 +0300)]
drm/i915: Fix pipe_bpp readout for BXT/GLK DSI
The only bpc information in pipe registers for BXT/GLK DSI
is the PIPEMISC dither bpc. Let's try to use that to read
out pipe_bpp on these platforms. However, I'm not sure if
this will be correctly populated by the GOP since bspec
suggests it's only needed if dithering is actually enabled.
If not I guess we'll have to go one step further and
extract pipe_bpp from the DSI pixel format when dithering
is disabled.
Cc: Hans de Goede <hdegoede@redhat.com>
Fixes: ca0b04db14a5 ("drm/i915/dsi: Fix pipe_bpp for handling for 6 bpc pixel-formats")
References: https://bugs.freedesktop.org/show_bug.cgi?id=109516
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190405141349.11950-1-ville.syrjala@linux.intel.com
Chris Wilson [Sat, 6 Apr 2019 08:03:41 +0000 (09:03 +0100)]
drm/i915: Track the temporary wakerefs used for hsw_get_pipe_config
Haswell+ require many power wells to probe the current HW display state.
Under the wakeref tracking scheme, we want each owner to store and
release the wakeref they use, so we can identify callers that have
leaked their wakeref. For hsw_get_pipe_config, this means we have to
keep the array of all wakerefs as it current acquires its power wells
piecemeal and releases them en masse.
By tracking these wakerefs, we should be able to eliminate a lot of
noise from the runtime-pm debug logs.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190406080341.2654-1-chris@chris-wilson.co.uk
Janusz Krzysztofik [Sat, 6 Apr 2019 10:40:34 +0000 (11:40 +0100)]
drm/i915: Mark GEM wedged right after marking device unplugged
As soon as a device is considered unplugged, not only prevent pending
users from accessing the device structures but also cancel all their
pending requests so all consumed resources can be cleaned up as soon
as possible.
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190406104034.31380-1-chris@chris-wilson.co.uk
Chris Wilson [Fri, 5 Apr 2019 20:24:19 +0000 (21:24 +0100)]
drm/i915: Convert i915_reset.c over to using uncore mmio
Currently i915_reset.c mixes calls to intel_uncore, pci and our old
style I915_READ mmio interfaces. Cast aside the old implicit macros,
and harmonise on using uncore throughout.
add/remove: 1/1 grow/shrink: 0/4 up/down: 65/-207 (-142)
Function old new delta
rmw_register - 65 +65
gen8_reset_engines 945 942 -3
g4x_do_reset 407 376 -31
intel_gpu_reset 545 509 -36
clear_register 63 - -63
i915_clear_error_registers 461 387 -74
A little bit of pointer dancing elimination works wonders.
v2: Roll up the helpers into intel_uncore for general use
With the helpers gcc was a little more eager to inline:
add/remove: 0/1 grow/shrink: 1/3 up/down: 99/-133 (-34)
Function old new delta
i915_clear_error_registers 461 560 +99
gen8_reset_engines 945 942 -3
g4x_do_reset 407 376 -31
intel_gpu_reset 545 509 -36
clear_register 63 - -63
Total: Before=
1544400, After=
1544366, chg -0.00%
Win some, lose some, gcc is gcc.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190405202419.3093-1-chris@chris-wilson.co.uk
Chris Wilson [Fri, 5 Apr 2019 18:15:50 +0000 (19:15 +0100)]
drm/i915: Make use of 'engine->uncore'
The engine has a direct link to the intel_uncore mmio handler, so make
use of it rather than going indirectly via &engine->i915->uncore.
v2: Update gen11_lock_sfc() to use engine->uncore as well
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190405181550.7630-1-chris@chris-wilson.co.uk
Chris Wilson [Fri, 5 Apr 2019 12:38:31 +0000 (13:38 +0100)]
drm/i915: Make RING_PDP relative to engine->mmio_base
The PDP registers are an oddity inside the set of context saved
registers in that they take the engine as a parameter to the macro and
not the mmio_base as the others do. Make it accept the engine->mmio_base
for consistency in programming the context registers.
add/remove: 0/0 grow/shrink: 2/1 up/down: 3/-32 (-29)
Function old new delta
emit_ppgtt_update 324 326 +2
capture 5102 5103 +1
execlists_init_reg_state.isra 1128 1096 -32
And similar savings later!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190405123831.9724-1-chris@chris-wilson.co.uk
Chris Wilson [Fri, 5 Apr 2019 11:14:30 +0000 (12:14 +0100)]
drm/i915/selftests: Fix plain use of integer 0 as NULL
Quelch a sparse warning:
drivers/gpu/drm/i915/gt/selftest_lrc.c:119:54: warning: Using plain integer as NULL pointer
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190405111430.18495-1-chris@chris-wilson.co.uk
Chris Wilson [Fri, 29 Mar 2019 13:40:24 +0000 (13:40 +0000)]
drm/i915/execlists: Enable coarse preemption boundaries for gen8
When we introduced preemption, we chose to keep it disabled for gen8 as
supporting preemption inside GPGPU user batches required various w/a in
userspace. Since then, the desire to preempt long queues of requests
between batches (e.g. within busywaiting semaphores) has grown. So allow
arbitration within the busywaits and between requests, but disable
arbitration within user batches so that we can preempt between requests
and not risk breaking GPGPU.
However, since this preemption is much coarser and doesn't interfere
with userspace, we decline to include it amongst the scheduler
capabilities. (This is also required for us to skip over the preemption
selftests that expect to be able to preempt user batches.)
Michal suggested that we could perhaps allow preemption inside gen8
userspace batches if we can satisfy ourselves that the default
preemption settings are viable with existing userspace (principally
OpenCL which already should carry any known workaround). We could then
merge the two code paths back into one, even dropping the artifical
has-preemption device feature flag.
Testcase: igt/gem_exec_scheduler/semaphore-user
References:
beecec901790 ("drm/i915/execlists: Preemption!")
Fixes: e88619646971 ("drm/i915: Use HW semaphores for inter-engine synchronisation on gen8+")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Michal Winiarski <michal.winiarski@intel.com> #irc
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190329134024.5254-1-chris@chris-wilson.co.uk
Chris Wilson [Wed, 3 Apr 2019 08:21:32 +0000 (09:21 +0100)]
drm/i915: Use lockdep_pin_lock() over the construction of the request
During request construction, we take the timeline->mutex to ensure
exclusive access to the ringbuffer (for command emission) and the
timeline itself (for command ordering). The timeline->mutex should not
be dropped by callers until we release it in i915_request_add().
lockdep provides a pin/unpin lock facility to detect accidental unlocks
inside critical sections, so put it to use for request construction.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190403082132.327-1-chris@chris-wilson.co.uk
Jani Nikula [Wed, 3 Apr 2019 13:52:36 +0000 (16:52 +0300)]
drm/i915: add Makefile magic for testing headers are self-contained
The below commits added dummy files to test that certain headers are
self-contained, i.e. compilable as standalone units:
39e2f501c1b4 ("drm/i915: Split struct intel_context definition to its own header")
3a891a626794 ("drm/i915: Move intel_engine_mask_t around for use by i915_request_types.h")
8b74594aa455 ("drm/i915: Split out i915_priolist_types into its own header")
The idea is fine, but the implementation is a bit tedious and
inflexible, and does not really scale well.
Implement the same in make using autogenerated dummy sources to include
the headers.
v2 by Chris:
- Use patsubst
- Add .gitignore
- Add clean-files for generated dummy sources
v3 by Jani:
- Fix make clean
- Add the tests to i915-y instead of extra-y
v4 by Jani:
- quiet_cmd whitespace fix
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190403135236.8398-1-jani.nikula@intel.com
Chris Wilson [Thu, 4 Apr 2019 07:33:57 +0000 (08:33 +0100)]
drm/i915: Fixup kerneldoc for intel_cdclk_needs_cd2x_update
drivers/gpu/drm/i915/intel_cdclk.c:2116: warning: Function parameter or member 'dev_priv' not described in 'intel_cdclk_needs_cd2x_update'
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Abhay Kumar <abhay.kumar@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190404073357.18795-1-chris@chris-wilson.co.uk
Chris Wilson [Thu, 4 Apr 2019 10:19:14 +0000 (11:19 +0100)]
drm/i915: Be precise in types for i915_gem_busy
Mixing u8 and -1u together leads to zero-extended integer expansion, and
comparing 0x000000ff against 0xffffffff, causing us to report a mixed
uabi-class request as not busy.
The input flag is a u8, and we want to generate a u32 uABI response,
mark our functions so.
Fixes: c8b502422bfe ("drm/i915: Remove last traces of exec-id (GEM_BUSY)")
Testcase: igt/gem_exec_balance/busy
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190404101914.7231-1-chris@chris-wilson.co.uk
Joonas Lahtinen [Thu, 4 Apr 2019 14:43:58 +0000 (17:43 +0300)]
drm/i915: Update DRIVER_DATE to
20190404
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Ville Syrjälä [Wed, 3 Apr 2019 19:16:33 +0000 (22:16 +0300)]
drm/i915: Expose full 1024 LUT entries on ivb+
On ivb+ we can select between the regular 10bit LUT mode with
1024 entries, and the split mode where the LUT is split into
seprate degamma and gamma halves (each with 512 entries). Currently
we expose the split gamma size of 512 as the GAMMA/DEGAMMA_LUT_SIZE.
When using only degamma or gamma (not both) we are wasting half of
the hardware LUT entries. Let's flip that around so that we expose
the full 1024 entries and just throw away half of the user provided
entries when using the split gamma mode.
Cc: Matt Roper <matthew.d.roper@intel.com>
Suggested-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401200231.2333-8-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Ville Syrjälä [Mon, 1 Apr 2019 20:02:30 +0000 (23:02 +0300)]
drm/i915: Expose the legacy LUT via the GAMMA_LUT/GAMMA_LUT_SIZE props on gen2/3
Just so we don't leave gen2/3 out in the cold let's advertize the
legacy LUT via the GAMMA_LUT/GAMMA_LUT_SIZE props. Without the
GAMMA_LUT prop we can't actually load a LUT using the atomic ioctl
(in preparation for the day of 100% atomic driver).
Supposedly some gen2/3 platforms have an interpolated 10bit gamma mode
as well. It's slightly funkier than the i965+ mode since you have to
specify the slope for the interpolation by hand. But when I tried it
I couldn't get it to work, the hardware just insisted on using the
8bit more regardless of the state of the relevant PIPECONF bit.
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401200231.2333-7-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Ville Syrjälä [Mon, 1 Apr 2019 20:02:29 +0000 (23:02 +0300)]
drm/i915: Add "10.6" LUT mode for i965+
i965+ have an interpolate 10bit LUT mode. Let's expose that so
that we can actually enjoy real 10bpc.
v2: Don't use I915_WRITE_FW() yet
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401200231.2333-6-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Ville Syrjälä [Mon, 1 Apr 2019 20:02:28 +0000 (23:02 +0300)]
drm/i915: Add 10bit LUT for ilk/snb
Plop in support for 10bit LUT on ilk/snb.
There is no split gamma mode on these platforms, so we have
to choose between degamma and gamma. That could be a runtime choice
but for now let's just advertize the gamma as having 1024 entries.
We'll also keep the ctm hidden for now.
v2: Don't use I915_WRITE_FW() yet
Introduce bool has_ctm (Maarten)
Call drm_crtc_enable_color_mgmt() uncoditionally (Maarten)
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401200231.2333-5-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Ville Syrjälä [Mon, 1 Apr 2019 20:02:27 +0000 (23:02 +0300)]
drm/i915: Implement split/10bit gamma for ivb/hsw
Reuse the bdw+ code to get split/10bit gamma for
ivb/hsw. The hardware is nearly identical. The
only slight snag is that on ivb/hsw the precision
palette auto increment mode does not work. So we
must increment the index manually. We'll probably
want to stick to the auto increment mode on bdw+
in the name of efficiency.
Also we want to avoid using the CSC for limited range
RGB output as PIPECONF will take care of that on IVB.
v2: Rebase due to EXT_GC_MAX/EXT2_GC_MAX changes
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401200231.2333-4-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Ville Syrjälä [Mon, 1 Apr 2019 20:02:26 +0000 (23:02 +0300)]
drm/i915: Don't use split gamma when we don't have to
Using the split gamma mode when we don't have to has the annoying
requirement of loading a linear LUT to the unused half. Instead
let's make life simpler by switching to the 10bit gamma mode
and duplicating each entry.
This also allows us to load the software gamma LUT into the
hardware degamma LUT, thus removing some of the buggy
configurations we currently allow (YCbCr/limited range RGB
+ gamma LUT). We do still have other configurations that are
also buggy, but those will need more complicated fixes
or they just need to be rejected. Sadly GLK doesn't have
this flexibility anymore and the degamma and gamma LUTs
are very different so no help there.
v2: Apply a mask when checking gamma_mode on icl since it
contains more bits than just the gamma mode
v3: Rebase due to EXT_GC_MAX/EXT2_GC_MAX changes
v4: s/advertize/advertise/ (Uma)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401200231.2333-3-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Ville Syrjälä [Mon, 1 Apr 2019 20:02:25 +0000 (23:02 +0300)]
drm/i915: Extract ilk_lut_10()
Extract a helper to calculate the ILK+ 10bit gamma LUT entry.
It's already duplicated twice, and soon we'll have more.
v2: s/it/bit/ (Matt)
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401200231.2333-2-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Ville Syrjälä [Wed, 27 Mar 2019 10:13:21 +0000 (12:13 +0200)]
drm/i915: Skip modeset for cdclk changes if possible
If we have only a single active pipe and the cdclk change only requires
the cd2x divider to be updated bxt+ can do the update with forcing a full
modeset on the pipe. Try to hook that up.
v2:
- Wait for vblank after an optimized CDCLK change.
- Avoid optimization if the pipe needs a modeset (or was disabled).
- Split CDCLK change to a pre/post plane update step.
v3:
- Use correct version of CDCLK state as old state. (Ville)
- Remove unused intel_cdclk_can_skip_modeset()
v4:
- For consistency call intel_set_cdclk_post_plane_update() only during
modesets (and not fastsets).
v5:
- Remove the logic to update the CD2X divider on-the-fly on ICL, since
only a divider of 1 is supported there. Clint also noticed that the
pipe select bits in CDCLK_CTL are oddly defined on ICL, it's not clear
yet whether that's only an error in the specification.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Abhay Kumar <abhay.kumar@intel.com>
Tested-by: Abhay Kumar <abhay.kumar@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327101321.3095-1-imre.deak@intel.com
Imre Deak [Wed, 20 Mar 2019 13:54:38 +0000 (15:54 +0200)]
drm/i915: Remove redundant store of logical CDCLK state
We copied the original state into the atomic state already earlier in
the function, so no need to do it a second time.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190320135439.12201-3-imre.deak@intel.com
Imre Deak [Wed, 20 Mar 2019 13:54:37 +0000 (15:54 +0200)]
drm/i915: Save the old CDCLK atomic state
The old state will be needed by an upcoming patch to determine if the
commit increases or decreases CDCLK, so move the old state to the atomic
state (while keeping the new one in dev_priv). cdclk.logical and
cdclk.actual in the atomic state isn't used atm anywhere after the
atomic check phase, so this should be safe.
v2:
- Use swap() instead of opencoding it. (Ville)
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190320135439.12201-2-imre.deak@intel.com
Ville Syrjälä [Wed, 20 Mar 2019 13:54:36 +0000 (15:54 +0200)]
drm/i915: Force 2*96 MHz cdclk on glk/cnl when audio power is enabled
CDCLK has to be at least twice the BLCK regardless of audio. Audio
driver has to probe using this hook and increase the clock even in
absence of any display.
v2: Use atomic refcount for get_power, put_power so that we can
call each once(Abhay).
v3: Reset power well 2 to avoid any transaction on iDisp link
during cdclk change(Abhay).
v4: Remove Power well 2 reset workaround(Ville).
v5: Remove unwanted Power well 2 register defined in v4(Abhay).
v6:
- Use a dedicated flag instead of state->modeset for min CDCLK changes
- Make get/put audio power domain symmetric
- Rebased on top of intel_wakeref tracking changes.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Abhay Kumar <abhay.kumar@intel.com>
Tested-by: Abhay Kumar <abhay.kumar@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190320135439.12201-1-imre.deak@intel.com
Chris Wilson [Fri, 29 Mar 2019 15:49:12 +0000 (15:49 +0000)]
drm/i915: Move the decision to use the breadcrumb tasklet to the backend
Use the engine->flags to store whether we want to kick the submission
tasklet on receipt of a breadcrumb interrupt, so that this decision can
be made by the submission backend and not dependent on a limited feature
test within the interrupt handler. This should make it easier to adapt to
different submission backends.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Xiaolin Zhang <xiaolin.zhang@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190329154912.13781-1-chris@chris-wilson.co.uk
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Tvrtko Ursulin [Wed, 3 Apr 2019 06:44:07 +0000 (07:44 +0100)]
drm/i915: Fix uninitialized mask in intel_device_info_subplatform_init
Mask need to be initialized to zero since device id checks may not match.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 805446c8347c ("drm/i915: Introduce concept of a sub-platform")
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Jose Souza <jose.souza@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190403064407.25646-1-tvrtko.ursulin@linux.intel.com
Daniele Ceraolo Spurio [Tue, 2 Apr 2019 20:10:32 +0000 (13:10 -0700)]
drm/i915: rename init/fini/prune uncore functions
Add "_mmio" postfix to be consistent from the init/fini phase they're
called from.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190402201032.15841-2-daniele.ceraolospurio@intel.com
Daniele Ceraolo Spurio [Tue, 2 Apr 2019 20:10:31 +0000 (13:10 -0700)]
drm/i915: add intel_uncore_init_early
Encapsulate the uncore early init and be consistent with the
"_early" naming.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190402201032.15841-1-daniele.ceraolospurio@intel.com
Bob Paauwe [Wed, 20 Mar 2019 21:15:46 +0000 (14:15 -0700)]
drm/i915/ehl: All EHL ports are combo phys
Unlike ICL, all of the output ports are combo phys so just return
true in intel_port_is_combophy for all EHL ports to indicate that.
v2: Return false in intel_port_is_tc since no EHL ports are TC. (Jose)
Cc: Jose Souza <jose.souza@intel.com>
Signed-off-by: Bob Paauwe <bob.j.paauwe@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190320211547.519266-1-bob.j.paauwe@intel.com
Chris Wilson [Mon, 1 Apr 2019 16:26:41 +0000 (17:26 +0100)]
drm/i915: Only emit one semaphore per request
Ideally we only need one semaphore per ring to accommodate waiting on
multiple engines in parallel. However, since we do not know which fences
we will finally be waiting on, we emit a semaphore for every fence. It
turns out to be quite easy to trick ourselves into exhausting our
ringbuffer causing an error, just by feeding in a batch that depends on
several thousand contexts.
Since we never can be waiting on more than one semaphore in parallel
(other than perhaps the desire to busywait on multiple engines), just
pick the first fence for our semaphore. If we pick the wrong fence to
busywait on, we just miss an opportunity to reduce latency.
An adaption might be to use sched.flags as either a semaphore counter,
or to track the first busywait on each engine, converting it back to a
single use bit prior to closing the request.
v2: Track first semaphore used per-engine (this caters for our basic
igt that semaphores are working).
Reported-by: Mika Kuoppala <mika.kuoppala@intel.com>
Testcase: igt/gem_exec_fence/long-history
Fixes: e88619646971 ("drm/i915: Use HW semaphores for inter-engine synchronisation on gen8+")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401162641.10963-3-chris@chris-wilson.co.uk
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Chris Wilson [Mon, 1 Apr 2019 16:26:40 +0000 (17:26 +0100)]
drm/i915: Split out i915_priolist_types into its own header
For more intel_engine_mask_t detangling. This time so that we can use
intel_engine_mask_t inside the scheduling structs.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401162641.10963-2-chris@chris-wilson.co.uk
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Chris Wilson [Mon, 1 Apr 2019 16:26:39 +0000 (17:26 +0100)]
drm/i915: Move intel_engine_mask_t around for use by i915_request_types.h
We want to use intel_engine_mask_t inside i915_request.h, which means
extracting it from the general header file mess and placing it inside a
types.h. A knock on effect is that the compiler wants to warn about
type-contraction of ALL_ENGINES into intel_engine_maskt_t, so prepare
for the worst.
v2: Use intel_engine_mask_t consistently
v3: Move I915_NUM_ENGINES to its natural home at the end of the enum
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401162641.10963-1-chris@chris-wilson.co.uk
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Chris Wilson [Mon, 1 Apr 2019 13:39:09 +0000 (14:39 +0100)]
drm/i915: Prefault before locking pages in shmem_pwrite
If the user passes in a pointer to a GGTT mmaping of the same buffer
being written to, we can hit a deadlock in acquiring the shmemfs page
(once as the write destination and then as the read source).
[<0>] io_schedule+0xd/0x30
[<0>] __lock_page+0x105/0x1b0
[<0>] find_lock_entry+0x55/0x90
[<0>] shmem_getpage_gfp+0xbb/0x800
[<0>] shmem_read_mapping_page_gfp+0x2d/0x50
[<0>] shmem_get_pages+0x158/0x5d0 [i915]
[<0>] ____i915_gem_object_get_pages+0x17/0x90 [i915]
[<0>] __i915_gem_object_get_pages+0x57/0x70 [i915]
[<0>] i915_gem_fault+0x1b4/0x5c0 [i915]
[<0>] __do_fault+0x2d/0x80
[<0>] __handle_mm_fault+0xad4/0xfb0
[<0>] handle_mm_fault+0xe6/0x1f0
[<0>] __do_page_fault+0x18f/0x3f0
[<0>] page_fault+0x1b/0x20
[<0>] copy_user_enhanced_fast_string+0x7/0x10
[<0>] _copy_from_user+0x37/0x60
[<0>] shmem_pwrite+0xf0/0x160 [i915]
[<0>] i915_gem_pwrite_ioctl+0x14e/0x520 [i915]
[<0>] drm_ioctl_kernel+0x81/0xd0
[<0>] drm_ioctl+0x1a7/0x310
[<0>] do_vfs_ioctl+0x88/0x5d0
[<0>] ksys_ioctl+0x35/0x70
[<0>] __x64_sys_ioctl+0x11/0x20
[<0>] do_syscall_64+0x39/0xe0
[<0>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
We can reduce (but not eliminate!) the chance of this happening by
faulting the user_data before we take the page lock in
pagecache_write_begin(). One way to eliminate the potential recursion
here is by disabling pagefaults for the copy, and handling the fallback
to use an alternative method -- so convert to use kmap_atomic (which
should disable preemption and pagefaulting for the copy) and report
ENODEV instead of EFAULT so that our caller tries again with a different
copy mechanism -- we already check that the page should have been
faultable so a false negative should be rare.
Testcase: igt/gem_pwrite/self
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401133909.31203-1-chris@chris-wilson.co.uk
Rodrigo Vivi [Fri, 15 Mar 2019 19:19:38 +0000 (12:19 -0700)]
x86/gpu: add ElkhartLake to gen11 early quirks
Let's reserve EHL stolen memory for graphics.
ElkhartLake is a gen11 platform which is compatible with
ICL changes.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Acked-by: Borislav Petkov <bp@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20190315191938.22211-2-rodrigo.vivi@intel.com
Tvrtko Ursulin [Wed, 27 Mar 2019 14:23:28 +0000 (14:23 +0000)]
drm/i915: Introduce concept of a sub-platform
Concept of a sub-platform already exist in our code (like ULX and ULT
platform variants and similar),implemented via the macros which check a
list of device ids to determine a match.
With this patch we consolidate device ids checking into a single function
called during early driver load.
A few low bits in the platform mask are reserved for sub-platform
identification and defined as a per-platform namespace.
At the same time it future proofs the platform_mask handling by preparing
the code for easy extending, and tidies the very verbose WARN strings
generated when IS_PLATFORM macros are embedded into a WARN type
statements.
v2: Fixed IS_SUBPLATFORM. Updated commit msg.
v3: Chris was right, there is an ordering problem.
v4:
* Catch-up with new sub-platforms.
* Rebase for RUNTIME_INFO.
* Drop subplatform mask union tricks and convert platform_mask to an
array for extensibility.
v5:
* Fix subplatform check.
* Protect against forgetting to expand subplatform bits.
* Remove platform enum tallying.
* Add subplatform to error state. (Chris)
* Drop macros and just use static inlines.
* Remove redundant IRONLAKE_M. (Ville)
v6:
* Split out Ironlake change.
* Optimize subplatform check.
* Use __always_inline. (Lucas)
* Add platform_mask comment. (Paulo)
* Pass stored runtime info in error capture. (Chris)
v7:
* Rebased for new AML ULX device id.
* Bump platform mask array size for EHL.
* Stop mentioning device ids in intel_device_subplatform_init by using
the trick of splitting macros i915_pciids.h. (Jani)
* AML seems to be either a subplatform of KBL or CFL so express it like
that.
v8:
* Use one device id table per subplatform. (Jani)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Jose Souza <jose.souza@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327142328.31780-1-tvrtko.ursulin@linux.intel.com
Tvrtko Ursulin [Tue, 26 Mar 2019 07:40:56 +0000 (07:40 +0000)]
drm/i915: Split some PCI ids into separate groups
This will enable the following patch to consolidate most device ids into
i915_pciids.h.
While cross-referencing the ids listed in i915_drv.h, with the ones listed
in i915_pciids.h, and also the comments in the latter, a bug for bug
approach was used. This means two things:
1.
Some ids are only present in i915_drv.h - obviously this means those parts
would not have been probed at all so they were not added to i915_pciids.h
2.
Some part type comments in i915_pciids.h were in disagreement with
i915_drv.h. For instance parts labeled as ULT or ULX were not considered
as such in i915_drv.h. The existing behaviour takes precedence here.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Suggested-by: Jani Nikula <jani.nikula@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190326074057.27833-4-tvrtko.ursulin@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Tvrtko Ursulin [Tue, 26 Mar 2019 07:40:55 +0000 (07:40 +0000)]
drm/i915: Remove redundant device id from IS_IRONLAKE_M macro
IS_IRONLAKE_M can use the already defined intel_device_info.is_mobile for
this platform, so remove the instance of Ironlake's mobile device id from
the header file and replace it with an IS_MOBILE check.
v2:
* Improved commit text. (Chris)
v3:
* Rebased for EHL.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190326074057.27833-3-tvrtko.ursulin@linux.intel.com
Tvrtko Ursulin [Tue, 26 Mar 2019 07:40:54 +0000 (07:40 +0000)]
drm/i915: Split Pineview device info into desktop and mobile
This allows the IS_PINEVIEW_<G|M> macros to be removed and avoid
duplication of device ids already defined in i915_pciids.h.
!IS_MOBILE check can be used in place of existing IS_PINEVIEW_G call
sites.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190326074057.27833-2-tvrtko.ursulin@linux.intel.com
Chris Wilson [Sun, 31 Mar 2019 09:46:20 +0000 (10:46 +0100)]
drm/i915: Check domains for userptr on release
When we return pages to the system, we release control over them and
should defensively return them to the CPU write domain so that we catch
any external writes on reacquiring them (e.g. to transparently
swapout/swapin). While we did this defensive clflushing for ordinary
shmem pages, it was forgotten for userptr. Fortunately, userptr objects
are normally cache coherent and so oblivious to the forgotten domain
tracking.
References:
a679f58d0510 ("drm/i915: Flush pages on acquisition")
References:
754a25442705 ("drm/i915: Skip object locking around a no-op set-domain ioctl")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190331094620.15185-1-chris@chris-wilson.co.uk
Chris Wilson [Sat, 30 Mar 2019 10:03:49 +0000 (10:03 +0000)]
drm/i915: Avoid using ctx->file_priv during construction
As we only set ctx->file_priv on registering the GEM context after
construction, it is invalid to try and use it in the middle for setting
various parameters. Indeed, we put the file_priv into struct create_ext
so that we have the right file_private available without having to look
at ctx->file_priv. However, it helps to use it!
Reported-by: Jordan Justen <jordan.l.justen@intel.com>
Fixes: b91715417244 ("drm/i915: Extend CONTEXT_CREATE to set parameters upon construction")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Tested-by: Jordan Justen <jordan.l.justen@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190330100349.30642-1-chris@chris-wilson.co.uk
Robert M. Fosha [Fri, 29 Mar 2019 23:17:46 +0000 (16:17 -0700)]
drm/i915/guc: Retry GuC load for all load failures
Currently we only retry to load GuC firmware if the load fails due to
timeout. On Gen9 GuC loading may fail for different reasons, not just
hang/timeout. Direction from the GuC team is to retry for all cases of
GuC load failure on Gen9, not just for timeout.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108593
Signed-off-by: Robert M. Fosha <robert.m.fosha@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190329231746.9129-1-robert.m.fosha@intel.com
Chris Wilson [Fri, 29 Mar 2019 16:51:52 +0000 (16:51 +0000)]
drm/i915: Always backoff after a drm_modeset_lock() deadlock
If drm_modeset_lock() reports a deadlock it sets the ctx->contexted
field and insists that the caller calls drm_modeset_backoff() or else it
generates a WARN on cleanup.
<4> [1601.870376] WARNING: CPU: 3 PID: 8445 at drivers/gpu/drm/drm_modeset_lock.c:228 drm_modeset_drop_locks+0x35/0x40
<4> [1601.870395] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal i915 coretemp crct10dif_pclmul
<6> [1601.870403] Console: switching
<4> [1601.870403] snd_hda_intel
<4> [1601.870406] to colour frame buffer device 320x90
<4> [1601.870406] crc32_pclmul snd_hda_codec snd_hwdep ghash_clmulni_intel e1000e snd_hda_core cdc_ether ptp usbnet mii pps_core snd_pcm i2c_i801 mei_me mei prime_numbers
<4> [1601.870422] CPU: 3 PID: 8445 Comm: cat Tainted: G U 5.0.0-rc7-CI-CI_DRM_5650+ #1
<4> [1601.870424] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP TLC, BIOS ICLSFWR1.R00.2402.AD3.
1810170014 10/17/2018
<4> [1601.870427] RIP: 0010:drm_modeset_drop_locks+0x35/0x40
<4> [1601.870430] Code: 29 48 8b 43 60 48 8d 6b 60 48 39 c5 74 19 48 8b 43 60 48 8d b8 70 ff ff ff e8 87 ff ff ff 48 8b 43 60 48 39 c5 75 e7 5b 5d c3 <0f> 0b eb d3 0f 1f 80 00 00 00 00 41 56 41 55 41 54 55 53 48 8b 6f
<4> [1601.870432] RSP: 0018:
ffffc90000d67ce8 EFLAGS:
00010282
<4> [1601.870435] RAX:
00000000ffffffdd RBX:
ffffc90000d67d00 RCX:
5dbbe23d00000000
<4> [1601.870437] RDX:
0000000000000000 RSI:
0000000093e6194a RDI:
ffffc90000d67d00
<4> [1601.870439] RBP:
ffff88849e62e678 R08:
0000000003b7329a R09:
0000000000000001
<4> [1601.870441] R10:
0000000000000000 R11:
0000000000000000 R12:
ffff888492100410
<4> [1601.870442] R13:
ffff88849ea50958 R14:
ffff8884a67eb028 R15:
ffff8884a67eb028
<4> [1601.870445] FS:
00007fa7a27745c0(0000) GS:
ffff8884aff80000(0000) knlGS:
0000000000000000
<4> [1601.870447] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
<4> [1601.870449] CR2:
000055af07e66000 CR3:
00000004a8cc2006 CR4:
0000000000760ee0
<4> [1601.870451] DR0:
0000000000000000 DR1:
0000000000000000 DR2:
0000000000000000
<4> [1601.870453] DR3:
0000000000000000 DR6:
00000000fffe0ff0 DR7:
0000000000000400
<4> [1601.870454] PKRU:
55555554
<4> [1601.870456] Call Trace:
<4> [1601.870505] i915_dsc_fec_support_show+0x91/0x190 [i915]
<4> [1601.870522] seq_read+0xdb/0x3c0
<4> [1601.870531] full_proxy_read+0x51/0x80
<4> [1601.870538] __vfs_read+0x31/0x190
<4> [1601.870546] ? __se_sys_newfstat+0x3c/0x60
<4> [1601.870552] vfs_read+0x9e/0x150
<4> [1601.870557] ksys_read+0x50/0xc0
<4> [1601.870564] do_syscall_64+0x55/0x190
<4> [1601.870569] entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [1601.870572] RIP: 0033:0x7fa7a226d081
<4> [1601.870574] Code: fe ff ff 48 8d 3d 67 9c 0a 00 48 83 ec 08 e8 a6 4c 02 00 66 0f 1f 44 00 00 48 8d 05 81 08 2e 00 8b 00 85 c0 75 13 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 57 f3 c3 0f 1f 44 00 00 41 54 55 49 89 d4 53
<4> [1601.870576] RSP: 002b:
00007ffcc05140c8 EFLAGS:
00000246 ORIG_RAX:
0000000000000000
<4> [1601.870579] RAX:
ffffffffffffffda RBX:
0000000000020000 RCX:
00007fa7a226d081
<4> [1601.870581] RDX:
0000000000020000 RSI:
000055af07e63000 RDI:
0000000000000007
<4> [1601.870583] RBP:
0000000000020000 R08:
000000000000007b R09:
0000000000000000
<4> [1601.870585] R10:
000055af07e60010 R11:
0000000000000246 R12:
000055af07e63000
<4> [1601.870587] R13:
0000000000000007 R14:
000055af07e634bf R15:
0000000000020000
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109745
Fixes: e845f099f1c6 ("drm/i915/dsc: Add Per connector debugfs node for DSC support/enable")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190329165152.29259-1-chris@chris-wilson.co.uk
Uma Shankar [Fri, 29 Mar 2019 14:29:16 +0000 (19:59 +0530)]
drm/i915: Program EXT2 GC MAX registers
EXT2 GC MAX registers are introduced from Gen10+ to
program values from 3.0 to 7.0. Enabled the same, but
currently limiting it to 1.0 as userspace ABI is limited
at that currently.
v2: Updated the 1.0 programming and aligned as per GLK, also added
GLK along with GEN10+ check, as per Ville's feedback.
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1553869756-4546-3-git-send-email-uma.shankar@intel.com
Uma Shankar [Fri, 29 Mar 2019 14:29:15 +0000 (19:59 +0530)]
drm/i915: Fix GCMAX color register programming
GC MAX register is used to program values from 1.0 to
less than 3.0. A different register was used instead of
the intended one. Fixed the same.
Currently limiting it to 1.0 due to ABI limitations.
v2: Updated the 1.0 programming and aligned as per GLK, based
on Ville's feedback.
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1553869756-4546-2-git-send-email-uma.shankar@intel.com
Daniele Ceraolo Spurio [Fri, 29 Mar 2019 16:50:18 +0000 (09:50 -0700)]
drm/i915: fix i9xx irq enable/disable
Those functions are used on gen4 as well and gen4 does have a non-RCS
engine, so remove the BUG_ON and flip back the logic to what it was
before the ENGINE_READ/WRITE update
v2: update the posting read as well (Chris, Ville).
Fixes: baba6e572b38 ("drm/i915: take a reference to uncore in the engine and use it")
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190329165018.32953-1-daniele.ceraolospurio@intel.com
Daniele Ceraolo Spurio [Thu, 28 Mar 2019 17:45:32 +0000 (10:45 -0700)]
drm/i915: move the edram detection out of uncore init
edram is not part of uncore and there is no requirement for the
detection to be done before we initialize the uncore functions. The
first check on HAS_EDRAM is in the ggtt_init path, so move it to
i915_driver_init_hw, where other dram-related detection happens.
While at it, save the size in MB instead of the capabilities because the
size is the only thing we look at outside of the init function.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190328174533.31532-1-daniele.ceraolospurio@intel.com
Ville Syrjälä [Wed, 27 Mar 2019 15:50:45 +0000 (17:50 +0200)]
drm/i915: Skip the linear degamma LUT load on ICL+
Don't load the linear degamma LUT on ICL. The hardware no longer
has any silly linkages between the CSC enable and degamma LUT
enable so the degamma LUT is only needed when it's actually
enabled.
Also add comments to explain the situation on GLK.
v2: Drop useless parens around 1<<16
v3: Add missing const
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327155045.28446-11-ville.syrjala@linux.intel.com
Ville Syrjälä [Wed, 27 Mar 2019 15:50:44 +0000 (17:50 +0200)]
drm/i915: Drop the pointless linear legacy LUT load on CHV
We now bypass the legacy LUT when it's not needed, so
no point in filling it up with a linear LUT.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327155045.28446-10-ville.syrjala@linux.intel.com
Ville Syrjälä [Wed, 27 Mar 2019 15:50:43 +0000 (17:50 +0200)]
drm/i915: Extract ilk_color_check()
With everything else moved out of the way only ilk+
remains using _intel_color_check(). Streamline the logic
into ilk_color_check().
v2: Add some comments explaining we that we don't expose
the full hardware capabilities currently (Matt)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327155045.28446-9-ville.syrjala@linux.intel.com
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Ville Syrjälä [Wed, 27 Mar 2019 15:50:42 +0000 (17:50 +0200)]
drm/i915: Extract bdw_color_check()
Provide a separate .color_check() for BDW+ where we currently
provide the split gamma mode etc.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327155045.28446-8-ville.syrjala@linux.intel.com
Ville Syrjälä [Wed, 27 Mar 2019 15:50:41 +0000 (17:50 +0200)]
drm/i915: Extract glk_color_check()
Unlike the earlier platforms GLK has dedicated degamma and gamma
LUTs. And quite curiously the degamma LUT is actually controlled
via the PLANE_COLOR_CTL CSC enable bit. Hence we must compute
gamma_enable and csc_enable differently to pre-GLK platforms.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327155045.28446-7-ville.syrjala@linux.intel.com
Ville Syrjälä [Wed, 27 Mar 2019 15:50:40 +0000 (17:50 +0200)]
drm/i915: Extract icl_color_check()
ICL is rather easy when it comes to .color_check() as it
finally provides us with a full color pipeline with
individual knobs for each stage.
We'll also start bypassing each LUT individually when
it is not needed.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327155045.28446-6-ville.syrjala@linux.intel.com
Ville Syrjälä [Wed, 27 Mar 2019 15:50:39 +0000 (17:50 +0200)]
drm/i915: Extract chv_color_check()
Since CHV has the CGM unit we require a custom implementation
of .color_check().
This fixes the computation of gamma_enable as previously we
left it enabled even when were using the CGM gamma instead.
Now we turn off the legacy LUT unless it's actually required.
v2: Add some comment explaining the color pipeline (Matt)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327155045.28446-5-ville.syrjala@linux.intel.com
Ville Syrjälä [Wed, 27 Mar 2019 15:50:38 +0000 (17:50 +0200)]
drm/i915: Extract i9xx_color_check()
Apart from CHV the other gmch platforms don't currently
require much work in .color_check(). So let's start by
extracting i9xx_color_check().
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327155045.28446-4-ville.syrjala@linux.intel.com
Ville Syrjälä [Wed, 27 Mar 2019 15:50:37 +0000 (17:50 +0200)]
drm/i915: Turn intel_color_check() into a vfunc
The current intel_color_check() is a mess, and worse yet it is
in fact incorrect for several platforms. The hardware has
evolved quite a bit over the years, so let's just go for a clean
split between the platforms by turning this into a vfunc.
The actual work to split it up will follow.
v2: Assign the vfuncs in the order they appear in the
struct (Matt)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327155045.28446-3-ville.syrjala@linux.intel.com
Ville Syrjälä [Wed, 27 Mar 2019 15:50:36 +0000 (17:50 +0200)]
drm/i915: Extract check_luts()
In prepartion for per-platform color_check() functions extract the
common code into a separate function.
v2: Improve the C8 comment (Matt)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327155045.28446-2-ville.syrjala@linux.intel.com
Joonas Lahtinen [Thu, 28 Mar 2019 12:41:55 +0000 (14:41 +0200)]
drm/i915: Update DRIVER_DATE to
20190328
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Joonas Lahtinen [Thu, 28 Mar 2019 11:53:18 +0000 (13:53 +0200)]
drm/i915: Update DRIVER_DATE to
20190328
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Joonas Lahtinen [Thu, 28 Mar 2019 11:15:45 +0000 (13:15 +0200)]
drm/i915: Update DRIVER_DATE to
20190328
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Maarten Lankhorst [Fri, 22 Mar 2019 13:59:54 +0000 (14:59 +0100)]
drm/i915: Reject rotation for some hdr formats
90/270 rotation is not supported for Y21x and the 12/16 bits XVYU formats,
reject support for them.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190322135954.20434-3-maarten.lankhorst@linux.intel.com
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Maarten Lankhorst [Fri, 22 Mar 2019 13:59:53 +0000 (14:59 +0100)]
drm/i915: Reject Yf tiling for HDR formats, v2.
This was missing in the original addition of those formats, but in
PLANE_SIZE description it's mentioned that 8 cpp formats are not
valid with Yf tiling. Reject this case properly.
Also reject Y21x Yf tiling support this is also not supported.
Changes since v1:
- Reject Y21x as well.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190322135954.20434-2-maarten.lankhorst@linux.intel.com
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Maarten Lankhorst [Fri, 22 Mar 2019 13:59:52 +0000 (14:59 +0100)]
drm/i915: Handle YUV subpixel support better
Y41x formats is a 4:4:4 format, so it can be addressed with pixel level accuracy.
Meanwhile it seems that while rotating YUYV 4:2:2 formats need a multiple of 2
for width and height, otherwise corruption occurs.
For YUV 4:2:2, the spec says that w/h should always be even, but we get
away with odd height while unrotated. When rotating it seems corruption
occurs with an odd x/y, and w/h should always be even.
Just to be completely paranoid, reject odd x/y w/h when rotating 90/270.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190322135954.20434-1-maarten.lankhorst@linux.intel.com
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Joonas Lahtinen [Wed, 27 Mar 2019 16:23:53 +0000 (18:23 +0200)]
Merge drm/drm-next into drm-intel-next-queued
This is needed to get the fourcc code merged without conflicts.
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Chris Wilson [Wed, 27 Mar 2019 10:58:14 +0000 (10:58 +0000)]
drm/i915: Drop new chunks of context creation ABI (for now)
The intent was to expose these as part of the means to perform full
context recovery (though not the SINGLE_TIMELINE, that is for later and
just sucked as collateral damage). As that requires a couple more
patches to complete the series, roll back the earlier chunks of ABI for
an intervening PR. We keep all the internals intact and under selftests.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327105814.14694-1-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Zhenyu Wang [Wed, 27 Mar 2019 09:06:36 +0000 (17:06 +0800)]
drm/i915: Disable semaphore on vGPU for now
This is to disable semaphore usage when on vGPU for now. Unfortunately
GVT-g hasn't fully enabled semaphore usage yet, so current guest with
semaphore use would cause vGPU failure.
Although current semaphore failure with vGPU can be simply resolved by
allowing cmd parser to accept MI_SEMAPHORE_WAIT command with address
audit, we're checking general usage of semaphore and how we should
handle it properly for virtualization in consider of function and
security concern. So we decide to request to disable it for now in
guest driver. Once GVT could support it, we would add new compat bit
to turn it on.
Fixes: e88619646971 ("drm/i915: Use HW semaphores for inter-engine synchronisation on gen8+") #vgpu
Cc: Kevin Tian <kevin.tian@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327090636.3547-1-zhenyuw@linux.intel.com
Ville Syrjälä [Tue, 26 Mar 2019 14:25:55 +0000 (16:25 +0200)]
drm/i915: Update TRANS_MSA_MISC for fastsets
Update the DP MSA MISC bits for fastsets. This is needed
when we change between limited and full range RGB output.
On HSW+ changing limited_range does not currently result in a
full modeset since we have don't have the readout code for it
(for DP we could, and probably should, readout from TRANS_MSA_MISC
itself, for HDMI we would have to rely on the infoframe). So
the PIPE_CONF_CHECK() is only performed for pre-HSW platforms.
That means any change in the value will result in a fastset
instead. Fortunately there is no prohibition to changing
TRANS_MSA_MISC dynamically, so it looks like we can legally do
fastsets for this.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190326142556.21176-5-ville.syrjala@linux.intel.com
Ville Syrjälä [Tue, 26 Mar 2019 14:25:54 +0000 (16:25 +0200)]
drm/i915: Add max_bpc property for DP MST
Allow the user to limit the output bpc with DP MST.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190326142556.21176-4-ville.syrjala@linux.intel.com
Ville Syrjälä [Tue, 26 Mar 2019 14:25:53 +0000 (16:25 +0200)]
drm/i915: Remove the 8bpc shackles from DP MST
Allow DP MST to output any color depth. This means deep color as
well as falling back to 6bpc if we would otherwise require too
much bandwidth.
TODO: We should probably extend bw_contstrained scheme to force
all streams on the link to 6bpc if we can't fit the new stream(s)
otherwise.
v2: Use a proper for-loop (Jani)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com> #v1
Link: https://patchwork.freedesktop.org/patch/msgid/20190326142556.21176-3-ville.syrjala@linux.intel.com
Ville Syrjälä [Wed, 27 Mar 2019 13:19:29 +0000 (15:19 +0200)]
drm/i915: Expose the force_audio property with DP MST
We already expose the force_audio property with SST. Do the same
with MST.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190326142556.21176-2-ville.syrjala@linux.intel.com
Ville Syrjälä [Tue, 26 Mar 2019 14:25:51 +0000 (16:25 +0200)]
drm/i915: Add broadcast RGB property for DP MST
Add the "Broadcast RGB" property to MST connectors, and implement
the same logic for it as we have in the SST code.
v2: Extract and reuse intel_dp_limited_color_range()
Cc: Ivan Vlk <ari@adyline.sk>
Tested-by: Ivan Vlk <ari@adyline.sk>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108821
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com> #v1
Link: https://patchwork.freedesktop.org/patch/msgid/20190326142556.21176-1-ville.syrjala@linux.intel.com
José Roberto de Souza [Tue, 26 Mar 2019 23:02:23 +0000 (16:02 -0700)]
drm/i915/icl: Fix VEBOX mismatch BUG_ON()
GT VEBOX DISABLE is only 4 bits wide but it was using a 8 bits wide
mask, the remaning reserved bits is set to 0 causing 4 more
nonexistent VEBOX engines being detected as enabled, triggering the
BUG_ON() because of mismatch between vebox_mask and newly added
VEBOX_MASK().
[ 64.081621] [drm:intel_device_info_init_mmio [i915]] vdbox enable: 0005, instances: 0005
[ 64.081763] [drm:intel_device_info_init_mmio [i915]] vebox enable: 00f1, instances: 0001
[ 64.081825] intel_device_info_init_mmio:925 GEM_BUG_ON(vebox_mask != ({ unsigned int first__ = (VECS0); unsigned int count__ = (2); ((&(dev_priv)->__info)->engine_mask & (((~0UL) - (1UL << (first__)) + 1) & (~0UL >> (64 - 1 - (first__ + count__ - 1))))) >> first__; }))
[ 64.082047] ------------[ cut here ]------------
[ 64.082054] kernel BUG at drivers/gpu/drm/i915/intel_device_info.c:925!
BSpec: 20680
Fixes: 9511cb6481af ("drm/i915: Adding missing '; ' to ENGINE_INSTANCES")
Fixes: 26376a7e74d2 ("drm/i915/icl: Check for fused-off VDBOX and VEBOX instances")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Oscar Mateo <oscar.mateo@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190326230223.26336-1-jose.souza@intel.com
Daniele Ceraolo Spurio [Tue, 26 Mar 2019 23:38:17 +0000 (16:38 -0700)]
drm/i915: fix i386 build of 64b raw_uncore functions
When building with ARCH=i386, readq and writeq are not defined,
resulting in:
intel_uncore.h: In function ‘__raw_uncore_read64’:
intel_uncore.h:257:9: error: implicit declaration of function ‘readq’;
did you mean ‘readl’? [-Werror=implicit-function-declaration]
return read##s__(uncore->regs + i915_mmio_reg_offset(reg)); \
^
and:
intel_uncore.h: In function ‘__raw_uncore_write64’:
intel_uncore.h:264:2: error: implicit declaration of function ‘writeq’;
did you mean ‘writel’? [-Werror=implicit-function-declaration]
write##s__(val, uncore->regs + i915_mmio_reg_offset(reg)); \
^
Add the io-64-nonatomic-lo-hi include to have readq and writeq available
for all builds. This header internally includes linux/io.h, so the
native readq and writeq definitions will be used when available.
Fixes: 6cc5ca768825 ("drm/i915: rename raw reg access functions")
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190326233817.5417-1-daniele.ceraolospurio@intel.com
Chris Wilson [Tue, 26 Mar 2019 18:00:07 +0000 (18:00 +0000)]
drm/i915: Adding missing '; ' to ENGINE_INSTANCES
Tvrtko spotted that I left off the trailing ';'. It went unnoticed by CI
because despite adding the macro, we didn't add a user, so include one as
well (a simple debug print).
Reported-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: 97ee6e925552 ("drm/i915: stop storing the media fuse")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190326180007.11722-1-chris@chris-wilson.co.uk
Michał Winiarski [Tue, 26 Mar 2019 17:02:18 +0000 (18:02 +0100)]
drm/i915: Update size upon return from GEM_CREATE
Since GEM_CREATE is trying to outsmart the user by rounding up unaligned
objects, we used to update the size returned to userspace.
This update seems to have been lost throughout the history.
v2: Use round_up(), reorder locals (Chris)
References:
ff72145badb8 ("drm: dumb scanout create/mmap for intel/radeon (v3)")
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Janusz Krzysztofik <janusz.krzysztofik@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190326170218.13255-1-michal.winiarski@intel.com
Daniele Ceraolo Spurio [Mon, 25 Mar 2019 21:49:40 +0000 (14:49 -0700)]
drm/i915: take a reference to uncore in the engine and use it
A few advantages:
- Prepares us for the planned split of display uncore from GT uncore
- Improves our engine-centric view of the world in the engine code
and allows us to avoid jumping back to dev_priv.
- Allows us to wrap accesses to engine register in nice macros that
automatically pick the right mmio base.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190325214940.23632-10-daniele.ceraolospurio@intel.com
Daniele Ceraolo Spurio [Mon, 25 Mar 2019 21:49:39 +0000 (14:49 -0700)]
drm/i915: switch intel_wait_for_register to uncore
The intel_uncore structure is the owner of register access, so
subclass the function to it.
While at it, use a local uncore var and switch to the new read/write
functions where it makes sense.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190325214940.23632-9-daniele.ceraolospurio@intel.com
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